2025 Senate Bill 71 / 2026 Public Act 64

Highways: bridges; Mackinac Bridge; designate as a key facility.

An act to amend 1931 PA 328, entitled “An act to revise, consolidate, codify, and add to the statutes relating to crimes; to define crimes and prescribe the penalties and remedies; to provide for restitution under certain circumstances; to provide for the competency of evidence at the trial of persons accused of crime; to provide immunity from prosecution for certain witnesses appearing at criminal trials; to provide for liability for damages; and to repeal certain acts and parts of acts inconsistent with or contravening any of the provisions of this act,” by amending section 552c (MCL 750.552c), as added by 2005 PA 305.

AI Analysis – Experimental

The bill amends the Michigan Penal Code to prohibit unauthorized entry into key facilities, including the Mackinac Bridge, with violations punishable by imprisonment or fines, while ensuring lawful assembly rights are preserved.

Introduced in the Senate

Feb. 11, 2025

Introduced by Sen. John Damoose (R-37) and seven co-sponsors

Co-sponsored by Sens. Dan Lauwers (R-25), Jon Bumstead (R-32), Michael Webber (R-9), Lana Theis (R-22), Rick Outman (R-33), Rosemary Bayer (D-13) and John Cherry (D-27)

Referred to the Committee on Civil Rights, Judiciary, and Public Safety

March 6, 2025

Reported with substitute S-1

March 11, 2025

Referred to the Committee of the Whole

March 12, 2025

Reported with substitute S-1

Substitute S-1 concurred in by voice vote

March 13, 2025

Passed in the Senate 36 to 0 (details)

Received in the House

March 13, 2025

Referred to the Committee on Transportation and Infrastructure

May 6, 2025

Reported without amendment

Feb. 18, 2026

Referred to the Committee on Rules

July 2, 2026

Discharged from committee

July 3, 2026

Passed in the House 96 to 12 (details)

Motion to give immediate effect by Rep. Bryan Posthumus (R-90)

The motion prevailed by voice vote

Received in the Senate

July 3, 2026

Motion to give immediate effect by Sen. Sam Singh (D-28)

The motion prevailed by voice vote

Signed by Gov. Gretchen Whitmer

July 23, 2026